BROSA 0206 User manual

BROSA AG
Dr. Klein Straße 1
D-88069 Tettnang
Phone: [phone]
Fax: [phone]
[email protected]
www.brosa.net
BROSA Pte Ltd
5 Lorong Kilat #0 -01
Singapore 5981 6
Phone: [phone]
Fax: [phone]
[email protected]
BROSA B.V.
Galliershof 38
NL - 5349 BV Oss, Netherlands
Phone: [phone]
Fax: [phone]
[email protected]
BROSA (Nanjing) Co., Ltd.
Jinma Lu 3, Maqun Scientific Park, Qixia District
10049 Nanjing
Phone: +86 ( 5)8 4639
Fax: +86 ( 5)8 4639
[email protected]
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© 20
21
BROSA AG, Tettnang, Ger any
Operating Manual
BROSA Type 0 06 Tubular Load Cell
Version: 02/2021

BROSA Tubular Load Cell
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Notes

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Contents
1 General information ................................................................................................ 4
1.1 Safety instructions – Explanation of symbols: .................................................... 4
Description of the BROSA tubular load cell .............................................................. 5
.1 Structure and functionality ................................................................................ 5
. Information on explosion protection .................................................................. 8
.3 Label (nameplate, indication of measuring direction) ......................................... 8
3 Advice on the safe handling of BROSA tubular load cells ......................................... 9
3.1 Handling .......................................................................................................... 9
3. Installation and commissioning ......................................................................... 9
3. .1 General information ................................................................................... 9
3. . Additional information for operation in areas subject to explosion hazards . 11
3.3 Operation and maintenance ........................................................................... 11
3.3.1 Operation ................................................................................................ 11
3.3. Maintenance ........................................................................................... 1
3.4 Disassembly .................................................................................................. 1
3.5 Disposal ........................................................................................................ 13

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1 General infor ation
Read the operating instructions and the product-specific documents carefully before
commissioning the sensor.
Make sure that the sensor is fully suitable for the applications in question.
Improper use or any use other than intended may result in a malfunction of the sensor or
undesirable effects in your application. For this reason, installation, electrical connection,
commissioning and maintenance of the sensor may only be carried out by trained personnel
authorized by the plant operator.
We also expressly point out that any liability is excluded if instructions in this documentation
are disregarded.
Current certificates can be downloaded from the BROSA AG website.
Only the German version of this operating manual represents the original document.
1.1 Safety instructions – Explanation of symbols:
WARNING! This symbol indicates dangers that can lead to personal injury and
property damage!

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2 Description of the BROSA tubular load cell
.1 Structure and functionality
The BROSA Type 0 06 tubular load cell is designed to detect the force in two-way shear
connections in or on machines and devices of all kinds.
Fig. 1: Tubular load cell
The tubular load cell consists of a hollow cylindrical measuring body (1), that absorbs the
load to be measured and exhibits the properties for torsional and axial securing (1a) as well
as a connection support ( ) firmly connected to the measuring body in some cases, on which
- if not placed directly on the measuring body - the necessary elements for the electrical
connection (plug or cable, 3) are attached and which - if not placed in the measuring body -
contains the measurement electronics. The constrictions (1b) in the measuring body for
technical measurement reasons can be provided with a filling depending on the application
or optionally on request. Optionally, the measuring body can contain elements to lubricate
the bearing (1c). A threaded pin for electrical equipotential bonding is optionally available.
The measuring body and connection support, if applicable, are made of stainless steel;
Optional versions in Q&T or galvanized steel, are available.
Figures a to c show the typical installation conditions; A distinction can be made between
three basic variants in which the force F transmitted by the connection is transmitted to the
measuring electronics by evaluating the resulting deformation of the measuring body and is
output as an electrical signal:

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Figure a: Installation conditions, force applied to the outside diameter, on the inside - support
on the outside diameter, on the outside
The tubular load cell (1) is inserted into the appropriately designed mounting holes ( ). The
force is transmitted from the introduction on the outside diameter, on the inside, to the support
also on the outside diameter, on the outside.

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Figure b: Installation conditions, force applied to the outside diameter, on the inside - support
on the inside diameter, on the outside
The tubular load cell (1) is inserted into the appropriately designed mounting holes ( ). Its bore
takes a correspondingly designed bolt in two places (3). The force is transmitted from the
application to the outside diameter, on the inside, to the support on the inside diameter, on the
outside.
Fig. c: Installation conditions, force applied to the outside diameter, on the outside - support
on the inside diameter, on the inside
The tubular load cell (1) is inserted into the appropriately designed mounting holes ( ). Its
bore takes a correspondingly designed bolt in one place (3). The force is transmitted from the
application to the outside diameter, on the outside, to the support on the inside diameter, on
the inside.
Versions with two measuring systems, either with output signals on separate
connectors/cables or combined in one connector/cable, are available as options. More
information can be found in the technical datasheets, which can be obtained free of charge
from BROSA.
WARNING! An insufficiently rigid surrounding construction, inadequate force
transmission or inadequate surface condition of the force-carrying surfaces affect the
measurement result!

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. Information on explosion protection
The type 0 06 tubular load cell is optionally available in an intrinsically safe design for use in
potentially explosive atmospheres. This is done using a -wire amplifier
ExDANGmicro W_***. The following specifications apply:
Certificate number: BVS 16 ATEX E 041 IECEx BVS 16.0031
Ignition protection type: Ex II G Ex ib IIC T4 Gb Ex ib IIC T4 Gb
Voltage 30 V DC 30 V DC
Current 100 mA 100 mA
Power 750 mW 750 mW
Effective internal capacitance 4 nF + 0.3 nF/m 4 nF + 0.3 nF/m
Effective internal inductance 3 µH + 1 µH/m 3 µH + 1 µH/m
Ambient temperature -40 to +80°C -40 to +80°C
Use of intrinsically safe tubular load cells in zone 0 is not allowed.
Current certificates can be downloaded from the BROSA AG website.
.3 Label (nameplate, indication of measuring direction)
Each BROSA tubular load cell is equipped with a nameplate containing the respective
information applicable for the given product. Depending on the structural design, it can be
attached either on the front (Figure 3, 1a) or on the periphery (Figure 3, 1b).
Figure 3: Nameplate position

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The measuring direction is indicated on the front side with an arrow (Figure 3, ).
3 Advice on the safe handling of BROSA tubular load cells
WARNING! Non-compliance with the following instructions can lead to sensor damage
and/or impairment of measurement results. The analysis of an erroneous measurement can
result in personal injury or material damage.
WARNING! Despite their sturdy design, BROSA tubular load cells may not be used for
any other than the intended purpose (see. Section 1.1). With improper use, dangers to life and
limb of the user or third parties and/or impairment of the device in which the tubular load cell
is implemented or other material assets can be caused.
3.1 Handling
WARNING! BROSA sensors contain high-quality measurement electronics. Make sure
they are handled carefully.
- BROSA tubular load cells are delivered in transport-safe packaging. We recommended
that you remove the sensors from the package immediately prior to installation.
- The mass of the tubular load cell is to be observed when selecting appropriate handling
equipment and/or lifting gear; it is indicated on the nameplate.
- BROSA tubular load cells must be secured against falling. Do not throw sensors!
- Use as a tool (e.g., impact, slotting or lever tool) is not permitted; it can cause
damage to the sensor and thus falsify the measurement results.
3. Installation and commissioning
3. .1 General information
We recommended taking the following actions in the given order using the “four-eye
principle”.
a) Inspecting the sensor - measuring point assignment: It must be ensured that the
sensor to be installed is designed for use at the intended measuring point. For this
purpose, check information on the nameplate, in particular the item or the

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identification number and the measuring range, against the data of the measuring
point.
WARNING! A sensor not designed for the particular measuring point must not be
installed.
b) Inspection of the sensor for intactness and function: It must be ensured that the
sensor to be incorporated is free of damage of any kind.
WARNING! A damaged sensor must not be installed!
c) Installation of the sensor in the measuring point: The tubular load cell is to be aligned
on the intended contact surface according to the offer drawing.
WARNING! The tubular load cell must not be driven in using impact tools!
After alignment, the tubular load cell must be secured against movement and rotation using
the elements provided for this purpose. Attention must be paid to the correct alignment of the
tubular load cell to the intended measuring direction (see front mark, compare Section 1. .)
WARNING! A misaligned sensor leads to erroneous measurement results!
d) Establishment of electrical connection: The elements on the sensor for the electrical
connection are to be connected to the power supply, the earth connection if
necessary, and the evaluation system of the device. In doing so, the information
given on the nameplate for plug or cable assignment and, if applicable the installation
guidelines of the cable, are to be observed.
WARNING! An incorrect or incomplete electrical connection impairs or prevents
measurement.
e) Functional check: After completed mechanical (see c) and electric (see d) installation,
load on the sensor is to be applied over the entire measuring range; the output
measurement signals are to be subjected to a plausibility check.

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WARNING! If due to unusual events (e.g., deformation or unusual noise),
measurement results are considered implausible or there is suspicion that the sensor is
malfunctioning for any other reason, it must not be put into operation.
3. . Additional information for operation in areas subject to explosion hazards
Only those sensors with the corresponding labels are approved for use in areas subject
to explosion hazards.
If the open cable end is connected inside an area subject to explosion hazards, the connection
must be inside a terminal box/switching cabinet certified in accordance with the ATEX-
directive. If it is connected outside an area subject to explosion hazards, it must be in line with
the general requirements for electrical equipment.
3.3 Operation and maintenance
3.3.1 Operation
BROSA tubular load cells operate automatically; attaching tools is not required for operation.
Direct manual intervention by the operator is not necessary; there are therefore no
requirements for the operator to wear protective equipment during operation. However, the
relevant requirements for the device in which the tubular load cell is implemented must be
observed.
BROSA tubular load cells emit neither noise nor non-ionizing radiation.
Operation of BROSA tubular load cells is permitted only within the parameters and properties
given in the technical datasheets and on the nameplate. These are, among others:
- Measuring range
- Temperature range
- Permissible supply voltage
- Electrical protection class
- Material
It must be ensured that no parasitic influences such as forces transverse to the measuring
direction are transmitted via the tubular load cell.
Inductive or capacitive coupling with the connection cable(s) of the sensor can distort the
measurement result and must be avoided. Some examples of these kinds of couplings can

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be caused e.g., by unfavourable cable routing (parallel power lines, frequency converters,
transformers, motors, incorrect grounding/shielding and the like).
When performing electric welding in the vicinity of the sensor, all connections must be
disconnected and isolated. It must be ensured that no welding current is flowing through the
sensor.
WARNING! Operation outside the specified parameters or contrary to existing
properties or improper use can damage the sensor and cause it to fail or lead to faulty
measuring results. If the sensor is overloaded, this can lead to the whole machine being
equally overloaded and possibly endangering its stability.
3.3. Maintenance
As sensors, BROSA tubular load cells are basically maintenance-free. As load-transmitting
elements, however, they are subject to mechanical stress, requiring regular inspections of the
fault-free state of each tubular load cell. The intervals between inspections depend on the
intensity of use and must be determined by the end-user.
An inspection includes the following points:
- Visual inspection for damage to the measuring body and wiring as well as
contamination.
- Function test/plausibility check
The causes of existing errors are to be identified and remedied. If the test indicates an improper
sensor state, it must be taken out of operation. If a malfunction or damage is detected on the
sensor, it must be sent to the manufacturer's factory for diagnosis and, if necessary, repaired.
WARNING! The sensor may only be repaired at the factory. Intervention (e.g., opening,
mechanical processing and the like) done by parties other than the manufacturer means the
safe operation of the sensor is no longer ensured and voids the guarantee and warranty.
3.4 Disassembly
We recommend performing the following actions in the order given.
a) Establishment of a load-free state at the measuring point: The tubular load cell is to
be unloaded before removal.

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WARNING! Removal of a tubular load cell under load poses serious dangers to the life
and limb of bystanders and can cause major damage. This is therefore not permitted.
b) Undoing the electrical connection
c) Remove the mechanical securing elements
d) Removal of the tubular load cell
WARNING! If the tubular load cell is to be reused, it must not be removed using impact
tools!
3.5 Disposal
If the end of the service life is reached, the tubular load cell is to be disposed of in an
environmentally friendly way. Since the non-metallic components are a small proportion
compared to the mass of the tubular load cell, it can be recycled as a whole as scrap steel.
BROSA sensors are usually made of stainless steel and can be disposed of accordingly.
If the sensor is stored before final disposal, an appropriate storage location is to be selected
which prevents harmful substances from entering the environment. If necessary, the sensor
must be cleaned.
WARNING! BROSA tubular load cells contain traces of environmentally hazardous
substances. This is also true of the impurities created during use. Contamination of the
environment by these substances is to be prevented.

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